CW Synopses April 16-19

The CW has released descriptions for their new episodes airing in three weeks.

Supergirl 3x14 "Schott Through the Heart" (spring premiere)

OSCAR-NOMINATED ACTRESS LAURIE METCALF GUEST STARS – When Winn’s (Jeremy Jordan) father dies, his estranged mother, Mary (guest star Laurie Metcalf), reappears trying to reconnect and to explain why she abandoned him all those years ago. Winn is too embittered from his rough childhood to forgive her but when a copycat Toyman attacks, the two must work together to stop him. Mon-El (Chris Wood) tells Kara (Melissa Benoist) something important about the Worldkillers, and Alex (Chyler Leigh) becomes suspicious of Myr’nn’s (guest star Carl Lumbly) recent behavior. Glen Winter directed the episode written by Caitlin Parrish & Derek Simon (#314). Original airdate 4/16/2018.

The Flash 4x18 "Lose Yourself"

RALPH CONSIDERS CROSSING A LINE TO DEFEAT THE THINKER — When Barry (Grant Gustin) and Team Flash find a way to enter The Thinker’s lair, Ralph (guest star Hartley Sawyer) considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe (Jesse L. Martin) is concerned by Harry’s (Tom Cavanagh) recent behavior. Hanelle Culpepper directed the episode written by Jonathan Butler & Gabriel Garza (#418). Original airdate 4/17/2018.

Black Lightning 1x13 "Shadow of Death: The Book of War" (season finale)

THE SHOWDOWN – The aftermath of the showdown with Black Lightning (Cress Williams) leaves everyone reeling. Meanwhile, Tobias (Marvin Jones III) gathers his forces. Nafessa Williams, China Anne McClain, Christine Adams and Damon Gupton also star. The episode was written by Charles D. Holland and directed by Salim Akil (#113). Original airdate 4/17/2018.

Supernatural 13x19 "Funeralia"

ANGELS, WITCHES AND REAPERS, OH MY – Sam (Jared Padalecki) and Dean (Jensen Ackles) must stop Rowena (guest star Ruth Connell), who is on a deadly mission. Meanwhile, Castiel (Misha Collins) looks to heaven to recruit angels for an impending invasion but is shocked by not only what he finds, but who. Nina Lopez-Corrado directed the episode written by Steve Yockey (#1319). Original airdate 4/19/2018.

Arrow 6x19 "The Dragon"

DIAZ SETS HIS SIGHTS ON THE QUADRANT — Looking to expand his empire, Diaz (guest star Kirk Acevedo) and Laurel (Katie Cassidy) meet with The Quadrant, a coalition of mafia families who run national organized crime. Meanwhile, after Oliver’s (Stephen Amell) recent decision, Felicity (Emily Bett Rickards) and Curtis (Echo Kellum) double their efforts on building Helix Dynamics. Gordon Verheul directed the episode written by Spiro Skentzos & Elizabeth Kim (#619). Original airdate 4/19/2018.